File libvirt-Avoid-crash-when-LXC-start-fails-with-no-interface-target.patch of Package libvirt

From e6f780a916d49f8e8e8f3c7f89f2da1970bf4ddc Mon Sep 17 00:00:00 2001
Message-Id: <e6f780a916d49f8e8e8f3c7f89f2da1970bf4ddc@dist-git>
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Wed, 14 May 2014 16:12:16 +0200
Subject: [PATCH] Avoid crash when LXC start fails with no interface target

https://bugzilla.redhat.com/show_bug.cgi?id=1064831

If the <interface> device did not contain any <target>
element, LXC would crash on a NULL pointer if starting
the container failed

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit 68dceb635d8d8f68e36caf4054c32f0f9cb13c22)
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
 src/lxc/lxc_process.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c
index c705a91..0da3583 100644
--- a/src/lxc/lxc_process.c
+++ b/src/lxc/lxc_process.c
@@ -254,7 +254,8 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
     for (i = 0 ; i < vm->def->nnets ; i++) {
         virDomainNetDefPtr iface = vm->def->nets[i];
         vport = virDomainNetGetActualVirtPortProfile(iface);
-        ignore_value(virNetDevSetOnline(iface->ifname, false));
+        if (iface->ifname)
+            ignore_value(virNetDevSetOnline(iface->ifname, false));
         if (vport && vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH)
             ignore_value(virNetDevOpenvswitchRemovePort(
                             virDomainNetGetActualBridgeName(iface),
-- 
1.9.3